juju/juju — pull request #1108 by davecheney (2014-11-12 01:17:15+00:00)
Title: state/multiwatcher: move Delta type to this package

This is the first part of the post #1103 refactoring.

This PR moves the Delta type, which was originally from `apiserver/params` to `state/multiwatcher`. The small size of this diff suggests that this is the correct place for this type.